ETNIER,CARL <br/><br/>
Ecological Engineering for Wastewater Treatment 

 - 2nd 
 - Boca Raton  Lewis Publishers  1997 
 - 481 
<br/><br/><label>ISBN: </label>9780873719902 
<br/><br/><label>Dewey Class. No.: </label>628.43  / ETN